Has the Milky Way’s black hole been exposed?

What happened to our galaxy?

Astronomers have long suspected that in the constellation Sagittarius, 26,000 light-years away from the center of the Milky Way, a giant black hole is hiding. In this darkness, the equivalent of a million stars were sent into eternity, leaving behind ghostly gravitational fields and violently warped spacetime. No one knows where the door leads, or what, if any, is on the other side.

Humanity is now ready to examine this chaos in the most intimate way possible. For the past decade, an international team of more than 300 astronomers has been training the Event Horizon Telescope, a worldwide network of radio observatories in Sagittarius A* (pronounced A star), which is the A faint source of radio waves—presumably a black hole—is at the center of our galaxy. The research team, led by astronomer Sheperd Doeleman of the Harvard-Smithsonian Center for Astrophysics, will present its latest results in six simultaneous press conferences in Washington and around the world at 9 a.m. ET Thursday.


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